History for Riverton, WY

Sunday, December 30, 2012 — View Current Conditions
Sunday, December 30, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature -2 °F 19 °F  
Max Temperature 7 °F 31 °F 51 °F (1996)
Min Temperature -11 °F 7 °F -11 °F (2012)
Degree Days
Heating Degree Days 67 46  
Month to date heating degree days 1271 1354  
Since 1 July heating degree days 2852 3270  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 765 494  
Moisture
Dew Point -8 °F    
Average Humidity 79    
Maximum Humidity 83    
Minimum Humidity 75    
Precipitation
Precipitation 0.00 in 0.02 in 0.26 in (2010)
Month to date precipitation 0.41 0.31  
Year to date precipitation 3.28 9.42  
Snow
Snow 0.00 in - - ()
Month to date snowfall 4.8  
Since 1 July snowfall 7.3  
Snow Depth 3.00 in    
Sea Level Pressure
Sea Level Pressure 30.21 in    
Wind
Wind Speed 3 mph (WSW)    
Max Wind Speed 9 mph    
Max Gust Speed 10 mph    
Visibility 8 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Astronomy
May. 23, 2013 Rise Set
Actual Time 7:45 AM MST 4:48 PM MST
Civil Twilight 7:12 AM MST 5:20 PM MST
Nautical Twilight 6:37 AM MST 5:56 PM MST
Astronomical Twilight 6:02 AM MST 6:30 PM MST
Moon 7:26 PM MST (12/30) 8:52 AM MST (12/30)
Length Of Visible Light 10h 07m
Length of Day
9h 03m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
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Hourly Observations
Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:02 AM -7.6 °F - -11.2 °F 84% 29.93 in 10.0 mi Calm Calm - N/A   Clear
12:53 AM -4.0 °F -14.6 °F -9.9 °F 76% 30.21 in 10.0 mi WNW 4.6 mph - N/A   Clear
1:53 AM -4.0 °F -14.6 °F -9.9 °F 76% 30.24 in 10.0 mi NW 4.6 mph - N/A   Clear
2:16 AM -4.0 °F - -9.4 °F 78% 29.93 in 2.5 mi Calm Calm - N/A   Haze
2:31 AM -7.6 °F -16.5 °F -13.0 °F 77% 29.93 in 7.0 mi SSW 3.5 mph - N/A   Partly Cloudy
2:53 AM -7.1 °F - -11.9 °F 79% 30.25 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM -6.0 °F - -11.9 °F 75% 30.25 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM -9.0 °F -23.8 °F -14.1 °F 79% 30.29 in 10.0 mi West 6.9 mph - N/A   Clear
5:53 AM -6.0 °F -20.1 °F -11.0 °F 79% 30.30 in 10.0 mi North 6.9 mph - N/A   Clear
6:53 AM -7.1 °F - -11.9 °F 79% 30.31 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM -9.9 °F - -15.0 °F 78% 30.35 in 9.0 mi Calm Calm - N/A   Clear
8:53 AM -6.0 °F -20.1 °F -11.0 °F 79% 30.35 in 10.0 mi WSW 6.9 mph - N/A   Clear
9:31 AM -0.4 °F -10.4 °F -5.8 °F 78% 29.99 in 2.5 mi South 4.6 mph - N/A   Haze
9:42 AM -0.4 °F -12.0 °F -5.8 °F 78% 29.99 in 1.8 mi West 5.8 mph - N/A   Haze
9:48 AM -0.4 °F -12.0 °F -5.8 °F 78% 29.99 in 4.0 mi WSW 5.8 mph - N/A   Haze
9:53 AM 1.0 °F -6.7 °F -5.1 °F 75% 30.34 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
10:53 AM 3.0 °F - -2.0 °F 80% 30.32 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 3.9 °F - -2.9 °F 73% 30.32 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 3.0 °F -6.4 °F -2.9 °F 76% 30.31 in 9.0 mi NE 4.6 mph - N/A   Clear
1:53 PM 1.9 °F -9.2 °F -4.0 °F 76% 30.30 in 10.0 mi NE 5.8 mph - N/A   Clear
2:53 PM 3.9 °F - -2.9 °F 73% 30.31 in 10.0 mi Calm Calm - N/A   Clear
3:53 PM 3.0 °F - -2.9 °F 76% 30.31 in 10.0 mi Calm Calm - N/A   Clear
4:53 PM 1.9 °F - -4.0 °F 76% 30.33 in 10.0 mi Calm Calm - N/A   Clear
5:53 PM -2.9 °F -11.2 °F -8.0 °F 79% 30.34 in 10.0 mi North 3.5 mph - N/A   Clear
6:53 PM -0.9 °F - -6.0 °F 79% 30.34 in 10.0 mi Calm Calm - N/A   Clear
7:53 PM -2.9 °F -11.2 °F -8.0 °F 79% 30.37 in 10.0 mi WSW 3.5 mph - N/A   Clear
8:53 PM -6.0 °F -20.1 °F -11.0 °F 79% 30.36 in 2.5 mi WSW 6.9 mph - N/A   Haze
9:02 PM -5.8 °F -19.9 °F -9.4 °F 84% 29.98 in 7.0 mi WSW 6.9 mph - N/A   Clear
9:53 PM -4.0 °F -17.8 °F -9.0 °F 79% 30.32 in 10.0 mi WSW 6.9 mph - N/A   Clear
10:53 PM -2.9 °F -11.2 °F -8.0 °F 79% 30.30 in 9.0 mi SW 3.5 mph - N/A   Clear
11:03 PM -2.2 °F -10.4 °F -7.6 °F 78% 29.98 in 2.5 mi South 3.5 mph - N/A   Haze
11:12 PM -0.4 °F - -7.6 °F 72% 29.98 in 1.5 mi Calm Calm - N/A   Haze
11:17 PM -0.4 °F -10.4 °F -7.6 °F 72% 29.98 in 3.0 mi South 4.6 mph - N/A   Haze
11:53 PM -6.0 °F -16.9 °F -9.9 °F 83% 30.31 in 9.0 mi NNW 4.6 mph - N/A   Clear
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